EP3436226B1 - Method for washing and separating pieces of plastics material, and washing and separating group for pieces of plastics - Google Patents

Method for washing and separating pieces of plastics material, and washing and separating group for pieces of plastics Download PDF

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Publication number
EP3436226B1
EP3436226B1 EP17713028.3A EP17713028A EP3436226B1 EP 3436226 B1 EP3436226 B1 EP 3436226B1 EP 17713028 A EP17713028 A EP 17713028A EP 3436226 B1 EP3436226 B1 EP 3436226B1
Authority
EP
European Patent Office
Prior art keywords
washing
plastics material
separating
plastics
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17713028.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3436226A1 (en
Inventor
Flavio Previero
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Previero N SRL
Original Assignee
Previero N SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Previero N SRL filed Critical Previero N SRL
Priority to PL17713028T priority Critical patent/PL3436226T3/pl
Publication of EP3436226A1 publication Critical patent/EP3436226A1/en
Application granted granted Critical
Publication of EP3436226B1 publication Critical patent/EP3436226B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0231—Centrifugating, cyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0286—Cleaning means used for separation
    • B29B2017/0289—Washing the materials in liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/065—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts containing impurities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the sucking action of the first recirculating pump unit 4 mainly makes the quantity Q of fluid and plastics P flow to the centrifugal unit 3 but without also circulating the heavy contaminants C that have already settled in the centre of the bottom zone 7 and which can on the other hand be evacuated periodically directly by the valve means 10.
  • the stirring step b) (block II) occurs): the pieces of plastics P and the contaminants C are subjected to intense turbulence and stirring that facilitate detaching of the contaminants C.
  • a first separation S1 of contaminants C from the plastics P occurs.
  • the plastics P dispersed in the washing fluid W are processed continuously by the second washing unit 1' and progressively transferred to the third washing group 1" defining a third treatment stage ST".

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
EP17713028.3A 2016-03-29 2017-03-28 Method for washing and separating pieces of plastics material, and washing and separating group for pieces of plastics Active EP3436226B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17713028T PL3436226T3 (pl) 2016-03-29 2017-03-28 Sposób mycia i oddzielania elementów z tworzywa sztucznego oraz myjący i oddzielający zespół do elementów z tworzywa sztucznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUA2016A002088A ITUA20162088A1 (it) 2016-03-29 2016-03-29 Metodo e gruppo di lavaggio e separazione per materie plastiche.
PCT/EP2017/057271 WO2017167725A1 (en) 2016-03-29 2017-03-28 Method for washing and separating pieces of plastics material, and washing and separating group for pieces of plastics

Publications (2)

Publication Number Publication Date
EP3436226A1 EP3436226A1 (en) 2019-02-06
EP3436226B1 true EP3436226B1 (en) 2020-01-08

Family

ID=56551446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17713028.3A Active EP3436226B1 (en) 2016-03-29 2017-03-28 Method for washing and separating pieces of plastics material, and washing and separating group for pieces of plastics

Country Status (6)

Country Link
EP (1) EP3436226B1 (it)
ES (1) ES2783832T3 (it)
IT (1) ITUA20162088A1 (it)
PL (1) PL3436226T3 (it)
PT (1) PT3436226T (it)
WO (1) WO2017167725A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019134203A1 (de) 2019-12-12 2021-06-17 Johannes Wissing Verfahren und Anlage zur Behandlung von olfaktorisch belasteten Kunststoffen
CN114619587B (zh) * 2022-05-16 2022-09-02 河南源宏高分子新材料有限公司 一种pet材料的高效再生方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2416573A1 (de) * 1974-04-05 1975-10-30 Buckau Wolf Maschf R Verfahren zur regenerierung von faserabfaellen zu spinnfaehigen granulaten
DE3543892A1 (de) * 1985-12-12 1987-06-19 Aluplast Gmbh Verfahren und vorrichtung zum reinigen von folienabfaellen
DE19606415A1 (de) * 1996-02-21 1997-08-28 Deutz Ag Effektive Kunststoffsortierung
ITMI20071759A1 (it) * 2007-09-13 2009-03-14 Previero Sas Metodo ed impianto per la rimozione e la separazione di etichette, tappi e contaminanti in genere da bottiglie e contenitori in materiale plastico

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PT3436226T (pt) 2020-04-07
ITUA20162088A1 (it) 2017-09-29
ES2783832T3 (es) 2020-09-18
PL3436226T3 (pl) 2020-10-05
EP3436226A1 (en) 2019-02-06
WO2017167725A1 (en) 2017-10-05

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